Bottom line... Disabling third-party cookies can stop some types of tracking by advertisers, but not all. If your ISP is installing third-party cookies then you should be able to block those so that their partners, like Front Porch, cannot track your habits.

Yes - but they can still track your browsing habits when you are on their site or network of sites, using first-party cookies. Once you leave their network, and you have third-party cookies disabled, they will not be able to track you.